1 files changed, 193 insertions, 0 deletions
diff --git a/prosilver/template/styleswitcher.js b/prosilver/template/styleswitcher.js
new file mode 100644
index 0000000..bbcac9b
--- /dev/null
+++ b/prosilver/template/styleswitcher.js
@@ -0,0 +1,193 @@
+
+function fontsizeup(event)
+{
+	// Skip tabs; 9 being the ASCII code for a tab
+	if (event && getKeyCode(event) == 9)
+	{
+		return true;
+	}
+
+	var active = getActiveStyleSheet();
+
+	switch (active)
+	{
+		case 'A--':
+			setActiveStyleSheet('A-');
+		break;
+
+		case 'A-':
+			setActiveStyleSheet('A');
+		break;
+
+		case 'A':
+			setActiveStyleSheet('A+');
+		break;
+
+		case 'A+':
+			setActiveStyleSheet('A++');
+		break;
+
+		case 'A++':
+			setActiveStyleSheet('A');
+		break;
+
+		default:
+			setActiveStyleSheet('A');
+		break;
+	}
+
+	return false;
+}
+
+function fontsizedown(event)
+{
+	// Skip tabs
+	if (event && getKeyCode(event) == 9)
+	{
+		return true;
+	}
+
+	var active = getActiveStyleSheet();
+
+	switch (active)
+	{
+		case 'A++' : 
+			setActiveStyleSheet('A+');
+		break;
+
+		case 'A+' : 
+			setActiveStyleSheet('A');
+		break;
+
+		case 'A' : 
+			setActiveStyleSheet('A-');
+		break;
+
+		case 'A-' : 
+			setActiveStyleSheet('A--');
+		break;
+
+		case 'A--' : 
+		break;
+
+		default :
+			setActiveStyleSheet('A--');
+		break;
+	}
+
+	return false;
+}
+
+function getKeyCode(event)
+{
+	// IE doesn't fire the onkeypress event for tabs
+	// Reference: http://www.quirksmode.org/js/keys.html
+
+	var code = (event.keyCode) ? event.keyCode : 0;
+
+	// Probably using FF
+	if (!code && event.charCode)
+	{
+		code = event.charCode;
+	}
+
+	return code;
+}
+
+function setActiveStyleSheet(title)
+{
+	var i, a, main;
+
+	for (i = 0; (a = document.getElementsByTagName('link')[i]); i++)
+	{
+		if (a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title'))
+		{
+			a.disabled = true;
+			if (a.getAttribute('title') == title)
+			{
+				a.disabled = false;
+			}
+		}
+	}
+}
+
+function getActiveStyleSheet()
+{
+	var i, a;
+
+	for (i = 0; (a = document.getElementsByTagName('link')[i]); i++)
+	{
+		if (a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title') && !a.disabled)
+		{
+			return a.getAttribute('title');
+		}
+	}
+
+	return null;
+}
+
+function getPreferredStyleSheet()
+{
+	return ('A-');
+}
+
+function createCookie(name, value, days)
+{
+	if (days)
+	{
+		var date = new Date();
+		date.setTime(date.getTime() + (days*24*60*60*1000));
+		var expires = '; expires=' + date.toGMTString();
+	}
+	else
+	{
+		expires = '';
+	}
+
+	document.cookie = name + '=' + value + expires + style_cookie_settings;
+}
+
+function readCookie(name)
+{
+	var nameEQ = name + '=';
+	var ca = document.cookie.split(';');
+
+	for (var i = 0; i < ca.length; i++)
+	{
+		var c = ca[i];
+
+		while (c.charAt(0) == ' ')
+		{
+			c = c.substring(1, c.length);
+		}
+
+		if (c.indexOf(nameEQ) == 0)
+		{
+			return c.substring(nameEQ.length, c.length);
+		}
+	}
+
+	return null;
+}
+
+function load_cookie()
+{
+	var cookie = readCookie('style_cookie');
+	var title = cookie ? cookie : getPreferredStyleSheet();
+	setActiveStyleSheet(title);
+}
+
+function unload_cookie()
+{
+	var title = getActiveStyleSheet();
+	createCookie('style_cookie', title, 365);
+}
+
+onload_functions.push('load_cookie()');
+onunload_functions.push('unload_cookie()');
+
+/*
+var cookie = readCookie("style");
+var title = cookie ? cookie : getPreferredStyleSheet();
+setActiveStyleSheet(title);
+*/